Three Pennsylvania residents in the van were taken into custody: 50-year-old John F. Cramsey, of Zionsville; 53-year-old Dean S. Smith, of Zionsville; and 29-year-old Kimberly Arendt, of Leighton. Additionally, police say, there was a large amount of ammunition and ballistic vests, along with four knives, 10 loaded clips of ammunition and a military-grade helmet.

Pentangelo says that at this time officials do not believe the incident is terrorism-related.

The scenes at the Holland Tunnel unfolded on the same day that authorities accused that three men in Rochester, New York, of illegally selling over 100 assault weapons from a single gun shop.

UPDATE: It appears that these folks were just "gun enthusiasts", with no connections to terror and no known threat. Drugs were also recovered. The woman in the group told police that the group was on their way to Queens to save a friend who was "being held against her will".

US law enforcement, including New York City's massive counter-terrorism apparatus, has been on high alert since a gunman killed 49 people at an Orlando gay nightclub on June 12 in the worst mass shooting in modern USA history. One man was arrested and two others are being sought, officials said.

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